free game art
When you were speaking platformer that was speaking my language. Brick blocks almost always work great. This set should get you started creating platforms in your 2D level. These also work good for walls. Theoretically, you can design a whole level with something simple like brick blocks.
By using this work, you accept the following license: CC by 3.0.
For use, include the following credit:
Brick Block Platforms by Timothy Courtney (timothycourtney.io)
Licensed under Creative Commons: By Attribution 3.0 License
Brick Block Platforms
© 2016 TimothyCourtney.io Terms